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Explanation:Drill string compensators are used to compensate the drill string for the movements of a floating drill rig / vessel relative to the sea bottom. They must be reliable, accurate to adjust to the weight (so length) of the drill string and must have a good force to stroke an accurate controllable drill bit load. Subsequently a better drilling performance, time savings and less bit wear.http://www.boschrexroth.com/BoschRexroth/country_units/europ...

Mini Close-up on the drill string
The drill string is a series of metal parts threaded end-to-end. From the top-down it consists of a mud injector head, a flexible coupling, a safety valve, a six-sided pipe to drive the rotary motion imparted to the drill string, a wear-and-tear coupling, a simple drill string, another coupling, a handful of heavy, very rigid drill collars, a coupling, and finally the drill bit.

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kompensatory przewodu wiertniczego

Explanation:Drill string compensators are used to compensate the drill string for the movements of a floating drill rig / vessel relative to the sea bottom. They must be reliable, accurate to adjust to the weight (so length) of the drill string and must have a good force to stroke an accurate controllable drill bit load. Subsequently a better drilling performance, time savings and less bit wear.http://www.boschrexroth.com/BoschRexroth/country_units/europ...

Mini Close-up on the drill string
The drill string is a series of metal parts threaded end-to-end. From the top-down it consists of a mud injector head, a flexible coupling, a safety valve, a six-sided pipe to drive the rotary motion imparted to the drill string, a wear-and-tear coupling, a simple drill string, another coupling, a handful of heavy, very rigid drill collars, a coupling, and finally the drill bit.

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